Respuesta :

Answer:

Formula = pn × 3

which means previous number × 3

Step-by-step explanation:

[tex]3 \times 3 = 9 \\ 9 \times 3 = 27 \\ 27 \times 3 =81 \\ 81 \times 3 = 243 \\ 243 \times 3 = 729[/tex]